D. All of these ................
Organizing sentences around a central idea creates A SUPPORTING DETAILS.
Supporting details refers to those sentences that are used by the author to explain, clarify, describe, expand, illustrate and develop his main idea. Those sentences are usually made up of facts, statements and examples that enhance the understanding of the readers about the main idea.<span />
He is uncomfortable driving because there are many laws, or "directions" to follow when on the road